Portion of a shoe upper



FIG. 1 is a front perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side view of one side thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a side view of the other side thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a top view thereof.

The uneven broken line immediately adjacent to the shaded area represents an unclaimed portion of the boundary of the design. The uneven broken lines in the shaded area represents eyelets and are for illustrative purposes only and form no part of the claimed design. The uneven broken line showing the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 